On Thu, 19 Aug 2004 08:10:57 +0200 (MET DST), Stanislaw Skowronek <[EMAIL PROTECTED]> wrote: > Hello! > > I would like to make a SGI Octane (ImpactSR) X driver. The problem with > this device is that it is a pure graphics pipeline, i.e. there is no > directly mapped access to the framebuffer. > > Accessing the framebuffer is a rather intricate process involving setup of > about 20 registers and DMA, so "just copy a virtual fb to screen" would be > too slow. > > However, I can draw accelerated rectangles, pixmaps, lines, polygons (I > haven't quite worked the stipple out as yet), alpha blending, gradients > et al. And acceleration on this card is, well, SGI standard :)
Have you figured out enough to do basic 3D accel as well? Alex > > How does one write a driver for a monster like this: no fb, good accel? > > Stanislaw Skowronek > > --<=>-- > "You're not as old as the trees, not as young as the leaves. > Not as free as the breeze, not as open as the seas." > ------------------------------------------------------- SF.Net email is sponsored by Shop4tech.com-Lowest price on Blank Media 100pk Sonic DVD-R 4x for only $29 -100pk Sonic DVD+R for only $33 Save 50% off Retail on Ink & Toner - Free Shipping and Free Gift. http://www.shop4tech.com/z/Inkjet_Cartridges/9_108_r285 -- _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
